Problem
Given a set of characters and a list of words, print the longest word that can be formed using the characters (each character at most once).
Input format
Input
input.txt
- First line: string of characters - Second line: integer N (1 ≤ N ≤ 50) - Next N lines: one word each
Output format
Output
output.txt
- The longest valid word or "-" if none
Example
input
aetxr 3 tea tex text
output
text
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Sample cases (from the problem)
Sample Case 1
Input
aetxr 3 tea tex text
Expected output
text
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